Walter Keller

Method for the display of standardised large-format internet pages with for example html protocol on hand-held devices with a mobile radio connection

Method and arrangement for the improved exploitation of technical resources between telecommunications networks and IP-networks

Method for the user-initiated automatic subscription

Method for using alphanumerical signs as a call number

Method and facility for ascertaining subscriber call numbers by inputting the motor vehicle registration number in order to make it possible to contact an owner of a motor vehicle via a mobile radio telephone network

Method for automatically handling undesired electronic mail in communication networks at the recipient end

Method for managing comfortable value added services in telecommunication networks

METHOD FOR CARRYING OUT MONITORING IN PACKET-ORIENTED TELECOMMUNICATION AND DATA NETWORKS

METHOD FOR EFFECTING THE PREVENTIVE AND/OR CURRENT DISPLAY OF TRANSMISSION COSTS DURING THE TRANSMISSION OF INTERNET AND ONLINE DATA

Method for the optimized transmission of multimedia services via mobile communications networks (mobile telephone networks)